› added 6 years ago

169

TIL a ruby is actually just a red sapphire

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via reddit.com

QJ1mp TIL that cats wiggle their bums when they prepare to pounce in order to check their balance. It helps determine if they have solid ground under their hind legs and if they will make the jump distance safely.
W79OL Today I learned that eight elements were discovered in the village of Ytterby in Sweden, and four of these elements (yttrium, terbium, erbium, and ytterbium) were named after Ytterby itself.
N7KWe TIL that the reason you get a runny nose while crying is that tears are flowing both out of the eyes but also internally into the nasal passages so you're literally blowing tears out your nose.
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